Kaqriyo Terror Architect (幽世テロルArchitect) is an idol group formed in July 2017 under the Codomomental agency. The original lineup was Nonamera (のなめら) and Kotetsu (个喆). On August 31st 2017, Yamakomaro (ヤマコマロ) was added to the group. In July 2018, two new members, Sumomo (季) and Sentonamidamaru (聖涙丸) joined the group. On November 10th 2018, it was announced that Kotetsu would be transferred to Yukueshirezutsurezure (ゆくえしれずつれづれ), Kaqriyo Terror Architect's sister group in December.